Attached file, here the commandline:

The issue is that the VPointer wants the address to be a AddP. But in this case, it directly gets a CastX2P, which it does currently not parse through.

./java --add-modules java.base --add-exports java.base/jdk.internal.misc=ALL-UNNAMED --add-exports java.base/jdk.internal.util=ALL-UNNAMED -XX:CompileCommand=compileonly,Test*::* -XX:CompileCommand=printcompilation,TestMemorySegment::* -XX:CompileCommand=TraceAutoVectorization,Test*::*,SW_REJECTIONS,PRECONDITIONS,POINTERS -XX:+TraceNewVectors -XX:+TraceLoopOpts -Xbatch TestUnsafeAllocateLongAdr.java